/*
 *
 * More info at [www.dropzonejs.com](http://www.dropzonejs.com)
 *
 * Copyright (c) 2012, Matias Meno
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

(function () {
    var Dropzone, Emitter, ExifRestore, camelize, contentLoaded, detectVerticalSquash, drawImageIOSFix, noop, without,
        slice = [].slice,
        extend1 = function (child, parent) {
            for (var key in parent) {
                if (hasProp.call(parent, key)) child[key] = parent[key];
            }

            function ctor() {
                this.constructor = child;
            }

            ctor.prototype = parent.prototype;
            child.prototype = new ctor();
            child.__super__ = parent.prototype;
            return child;
        },
        hasProp = {}.hasOwnProperty;

    noop = function () {
    };

    Emitter = (function () {
        function Emitter() {
        }

        Emitter.prototype.addEventListener = Emitter.prototype.on;

        Emitter.prototype.on = function (event, fn) {
            this._callbacks = this._callbacks || {};
            if (!this._callbacks[event]) {
                this._callbacks[event] = [];
            }
            this._callbacks[event].push(fn);
            return this;
        };

        Emitter.prototype.emit = function () {
            var args, callback, callbacks, event, j, len;
            event = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
            this._callbacks = this._callbacks || {};
            callbacks = this._callbacks[event];
            if (callbacks) {
                for (j = 0, len = callbacks.length; j < len; j++) {
                    callback = callbacks[j];
                    callback.apply(this, args);
                }
            }
            return this;
        };

        Emitter.prototype.removeListener = Emitter.prototype.off;

        Emitter.prototype.removeAllListeners = Emitter.prototype.off;

        Emitter.prototype.removeEventListener = Emitter.prototype.off;

        Emitter.prototype.off = function (event, fn) {
            var callback, callbacks, i, j, len;
            if (!this._callbacks || arguments.length === 0) {
                this._callbacks = {};
                return this;
            }
            callbacks = this._callbacks[event];
            if (!callbacks) {
                return this;
            }
            if (arguments.length === 1) {
                delete this._callbacks[event];
                return this;
            }
            for (i = j = 0, len = callbacks.length; j < len; i = ++j) {
                callback = callbacks[i];
                if (callback === fn) {
                    callbacks.splice(i, 1);
                    break;
                }
            }
            return this;
        };

        return Emitter;

    })();

    Dropzone = (function (superClass) {
        var extend, resolveOption;

        extend1(Dropzone, superClass);

        Dropzone.prototype.Emitter = Emitter;


        /*
        This is a list of all available events you can register on a dropzone object.

        You can register an event handler like this:

            dropzone.on("dragEnter", function() { });
         */

        Dropzone.prototype.events = ["drop", "dragstart", "dragend", "dragenter", "dragover", "dragleave", "addedfile", "addedfiles", "removedfile", "thumbnail", "error", "errormultiple", "processing", "processingmultiple", "uploadprogress", "totaluploadprogress", "sending", "sendingmultiple", "success", "successmultiple", "canceled", "canceledmultiple", "complete", "completemultiple", "reset", "maxfilesexceeded", "maxfilesreached", "queuecomplete"];

        Dropzone.prototype.defaultOptions = {
            url: null,
            method: "post",
            withCredentials: false,
            timeout: 30000,
            parallelUploads: 2,
            uploadMultiple: false,
            maxFilesize: 2,
            paramName: "file",
            createImageThumbnails: true,
            maxThumbnailFilesize: 10,
            thumbnailWidth: 120,
            thumbnailHeight: 120,
            thumbnailMethod: 'crop',
            resizeWidth: null,
            resizeHeight: null,
            resizeMimeType: null,
            resizeQuality: 0.8,
            resizeMethod: 'contain',
            filesizeBase: 1000,
            maxFiles: 6,
            params: {},
            headers: null,
            clickable: true,
            ignoreHiddenFiles: true,
            acceptedFiles: ".jpg,.bmp,.png",
            acceptedMimeTypes: null,
            autoProcessQueue: true,
            autoQueue: true,
            addRemoveLinks: true,
            previewsContainer: null,
            hiddenInputContainer: "body",
            capture: null,
            renameFilename: null,
            renameFile: null,
            forceFallback: false,
            dictDefaultMessage: "拖拽文件上传或点击",
            dictFallbackMessage: "您的浏览器不支持此空间，更改浏览器重试.",
            dictFallbackText: "Please use the fallback form below to upload your files like in the olden days.",
            dictFileTooBig: "文件太大 ({{filesize}}MiB). 最大限制: {{maxFilesize}}MiB.",
            dictInvalidFileType: "文件扩展名不支持.",
            dictResponseError: "服务器反馈{{statusCode}}码.",
            dictCancelUpload: "取消上传",
            dictCancelUploadConfirmation: "确定要停止上传吗?",
            dictRemoveFile: "删除文件",
            dictRemoveFileConfirmation: null,
            dictMaxFilesExceeded: "不能上传更多文件了.",
            dictFileSizeUnits: {
                tb: "TB",
                gb: "GB",
                mb: "MB",
                kb: "KB",
                b: "b"
            },
            init: function () {
                return noop;
            },
            accept: function (file, done) {
                return done();
            },
            fallback: function () {
                var child, j, len, messageElement, ref, span;
                this.element.className = this.element.className + " dz-browser-not-supported";
                ref = this.element.getElementsByTagName("div");
                for (j = 0, len = ref.length; j < len; j++) {
                    child = ref[j];
                    if (/(^| )dz-message($| )/.test(child.className)) {
                        messageElement = child;
                        child.className = "dz-message";
                        continue;
                    }
                }
                if (!messageElement) {
                    messageElement = Dropzone.createElement("<div class=\"dz-message\"><span></span></div>");
                    this.element.appendChild(messageElement);
                }
                span = messageElement.getElementsByTagName("span")[0];
                if (span) {
                    if (span.textContent != null) {
                        span.textContent = this.options.dictFallbackMessage;
                    } else if (span.innerText != null) {
                        span.innerText = this.options.dictFallbackMessage;
                    }
                }
                return this.element.appendChild(this.getFallbackForm());
            },
            resize: function (file, width, height, resizeMethod) {
                var info, srcRatio, trgRatio;
                info = {
                    srcX: 0,
                    srcY: 0,
                    srcWidth: file.width,
                    srcHeight: file.height
                };
                srcRatio = file.width / file.height;
                if ((width == null) && (height == null)) {
                    width = info.srcWidth;
                    height = info.srcHeight;
                } else if (width == null) {
                    width = height * srcRatio;
                } else if (height == null) {
                    height = width / srcRatio;
                }
                width = Math.min(width, info.srcWidth);
                height = Math.min(height, info.srcHeight);
                trgRatio = width / height;
                if (info.srcWidth > width || info.srcHeight > height) {
                    if (resizeMethod === 'crop') {
                        if (srcRatio > trgRatio) {
                            info.srcHeight = file.height;
                            info.srcWidth = info.srcHeight * trgRatio;
                        } else {
                            info.srcWidth = file.width;
                            info.srcHeight = info.srcWidth / trgRatio;
                        }
                    } else if (resizeMethod === 'contain') {
                        if (srcRatio > trgRatio) {
                            height = width / srcRatio;
                        } else {
                            width = height * srcRatio;
                        }
                    } else {
                        throw new Error("Unknown resizeMethod '" + resizeMethod + "'");
                    }
                }
                info.srcX = (file.width - info.srcWidth) / 2;
                info.srcY = (file.height - info.srcHeight) / 2;
                info.trgWidth = width;
                info.trgHeight = height;
                return info;
            },
            transformFile: function (file, done) {
                if ((this.options.resizeWidth || this.options.resizeHeight) && file.type.match(/image.*/)) {
                    return this.resizeImage(file, this.options.resizeWidth, this.options.resizeHeight, this.options.resizeMethod, done);
                } else {
                    return done(file);
                }
            },
            previewTemplate: "<div class=\"dz-preview dz-file-preview\">\n  <div class=\"dz-image\"><img data-dz-thumbnail /></div>\n  <div class=\"dz-details\">\n    <div class=\"dz-size\"><span data-dz-size></span></div>\n    <div class=\"dz-filename\"><span data-dz-name></span></div>\n  </div>\n  <div class=\"dz-progress\"><span class=\"dz-upload\" data-dz-uploadprogress></span></div>\n  <div class=\"dz-error-message\"><span data-dz-errormessage></span></div>\n  <div class=\"dz-success-mark\">\n    <svg width=\"54px\" height=\"54px\" viewBox=\"0 0 54 54\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns:sketch=\"http://www.bohemiancoding.com/sketch/ns\">\n      <title>Check</title>\n      <defs></defs>\n      <g id=\"Page-1\" stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\" sketch:type=\"MSPage\">\n        <path d=\"M23.5,31.8431458 L17.5852419,25.9283877 C16.0248253,24.3679711 13.4910294,24.366835 11.9289322,25.9289322 C10.3700136,27.4878508 10.3665912,30.0234455 11.9283877,31.5852419 L20.4147581,40.0716123 C20.5133999,40.1702541 20.6159315,40.2626649 20.7218615,40.3488435 C22.2835669,41.8725651 24.794234,41.8626202 26.3461564,40.3106978 L43.3106978,23.3461564 C44.8771021,21.7797521 44.8758057,19.2483887 43.3137085,17.6862915 C41.7547899,16.1273729 39.2176035,16.1255422 37.6538436,17.6893022 L23.5,31.8431458 Z M27,53 C41.3594035,53 53,41.3594035 53,27 C53,12.6405965 41.3594035,1 27,1 C12.6405965,1 1,12.6405965 1,27 C1,41.3594035 12.6405965,53 27,53 Z\" id=\"Oval-2\" stroke-opacity=\"0.198794158\" stroke=\"#747474\" fill-opacity=\"0.816519475\" fill=\"#FFFFFF\" sketch:type=\"MSShapeGroup\"></path>\n      </g>\n    </svg>\n  </div>\n  <div class=\"dz-error-mark\">\n    <svg width=\"54px\" height=\"54px\" viewBox=\"0 0 54 54\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns:sketch=\"http://www.bohemiancoding.com/sketch/ns\">\n      <title>Error</title>\n      <defs></defs>\n      <g id=\"Page-1\" stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\" sketch:type=\"MSPage\">\n        <g id=\"Check-+-Oval-2\" sketch:type=\"MSLayerGroup\" stroke=\"#747474\" stroke-opacity=\"0.198794158\" fill=\"#FFFFFF\" fill-opacity=\"0.816519475\">\n          <path d=\"M32.6568542,29 L38.3106978,23.3461564 C39.8771021,21.7797521 39.8758057,19.2483887 38.3137085,17.6862915 C36.7547899,16.1273729 34.2176035,16.1255422 32.6538436,17.6893022 L27,23.3431458 L21.3461564,17.6893022 C19.7823965,16.1255422 17.2452101,16.1273729 15.6862915,17.6862915 C14.1241943,19.2483887 14.1228979,21.7797521 15.6893022,23.3461564 L21.3431458,29 L15.6893022,34.6538436 C14.1228979,36.2202479 14.1241943,38.7516113 15.6862915,40.3137085 C17.2452101,41.8726271 19.7823965,41.8744578 21.3461564,40.3106978 L27,34.6568542 L32.6538436,40.3106978 C34.2176035,41.8744578 36.7547899,41.8726271 38.3137085,40.3137085 C39.8758057,38.7516113 39.8771021,36.2202479 38.3106978,34.6538436 L32.6568542,29 Z M27,53 C41.3594035,53 53,41.3594035 53,27 C53,12.6405965 41.3594035,1 27,1 C12.6405965,1 1,12.6405965 1,27 C1,41.3594035 12.6405965,53 27,53 Z\" id=\"Oval-2\" sketch:type=\"MSShapeGroup\"></path>\n        </g>\n      </g>\n    </svg>\n  </div>\n</div>",

            /*
            Those functions register themselves to the events on init and handle all
            the user interface specific stuff. Overwriting them won't break the upload
            but can break the way it's displayed.
            You can overwrite them if you don't like the default behavior. If you just
            want to add an additional event handler, register it on the dropzone object
            and don't overwrite those options.
             */
            drop: function (e) {
                return this.element.classList.remove("dz-drag-hover");
            },
            dragstart: noop,
            dragend: function (e) {
                return this.element.classList.remove("dz-drag-hover");
            },
            dragenter: function (e) {
                return this.element.classList.add("dz-drag-hover");
            },
            dragover: function (e) {
                return this.element.classList.add("dz-drag-hover");
            },
            dragleave: function (e) {
                return this.element.classList.remove("dz-drag-hover");
            },
            paste: noop,
            reset: function () {
                return this.element.classList.remove("dz-started");
            },
            addedfile: function (file) {
                var j, k, l, len, len1, len2, node, ref, ref1, ref2, removeFileEvent, removeLink, results;
                if (this.element === this.previewsContainer) {
                    this.element.classList.add("dz-started");
                }
                if (this.previewsContainer) {
                    file.previewElement = Dropzone.createElement(this.options.previewTemplate.trim());
                    file.previewTemplate = file.previewElement;
                    this.previewsContainer.appendChild(file.previewElement);
                    ref = file.previewElement.querySelectorAll("[data-dz-name]");
                    for (j = 0, len = ref.length; j < len; j++) {
                        node = ref[j];
                        node.textContent = file.name;
                    }
                    ref1 = file.previewElement.querySelectorAll("[data-dz-size]");
                    for (k = 0, len1 = ref1.length; k < len1; k++) {
                        node = ref1[k];
                        node.innerHTML = this.filesize(file.size);
                    }
                    if (this.options.addRemoveLinks) {
                        file._removeLink = Dropzone.createElement("<a class=\"dz-remove\" href=\"javascript:undefined;\" data-dz-remove>" + this.options.dictRemoveFile + "</a>");
                        file.previewElement.appendChild(file._removeLink);
                    }
                    removeFileEvent = (function (_this) {
                        return function (e) {
                            e.preventDefault();
                            e.stopPropagation();
                            if (file.status === Dropzone.UPLOADING) {
                                return Dropzone.confirm(_this.options.dictCancelUploadConfirmation, function () {
                                    return _this.removeFile(file);
                                });
                            } else {
                                if (_this.options.dictRemoveFileConfirmation) {
                                    return Dropzone.confirm(_this.options.dictRemoveFileConfirmation, function () {
                                        return _this.removeFile(file);
                                    });
                                } else {
                                    return _this.removeFile(file);
                                }
                            }
                        };
                    })(this);
                    ref2 = file.previewElement.querySelectorAll("[data-dz-remove]");
                    results = [];
                    for (l = 0, len2 = ref2.length; l < len2; l++) {
                        removeLink = ref2[l];
                        results.push(removeLink.addEventListener("click", removeFileEvent));
                    }
                    return results;
                }
            },
            removedfile: function (file) {
                var ref;
                if (file.previewElement) {
                    if ((ref = file.previewElement) != null) {
                        ref.parentNode.removeChild(file.previewElement);
                    }
                }
                return this._updateMaxFilesReachedClass();
            },
            thumbnail: function (file, dataUrl) {
                var j, len, ref, thumbnailElement;
                if (file.previewElement) {
                    file.previewElement.classList.remove("dz-file-preview");
                    ref = file.previewElement.querySelectorAll("[data-dz-thumbnail]");
                    for (j = 0, len = ref.length; j < len; j++) {
                        thumbnailElement = ref[j];
                        thumbnailElement.alt = file.name;
                        thumbnailElement.src = dataUrl;
                    }
                    return setTimeout(((function (_this) {
                        return function () {
                            return file.previewElement.classList.add("dz-image-preview");
                        };
                    })(this)), 1);
                }
            },
            error: function (file, message) {
                var j, len, node, ref, results;
                if (file.previewElement) {
                    file.previewElement.classList.add("dz-error");
                    if (typeof message !== "String" && message.error) {
                        message = message.error;
                    }
                    ref = file.previewElement.querySelectorAll("[data-dz-errormessage]");
                    results = [];
                    for (j = 0, len = ref.length; j < len; j++) {
                        node = ref[j];
                        results.push(node.textContent = message);
                    }
                    return results;
                }
            },
            errormultiple: noop,
            processing: function (file) {
                if (file.previewElement) {
                    file.previewElement.classList.add("dz-processing");
                    if (file._removeLink) {
                        return file._removeLink.textContent = this.options.dictCancelUpload;
                    }
                }
            },
            processingmultiple: noop,
            uploadprogress: function (file, progress, bytesSent) {
                var j, len, node, ref, results;
                if (file.previewElement) {
                    ref = file.previewElement.querySelectorAll("[data-dz-uploadprogress]");
                    results = [];
                    for (j = 0, len = ref.length; j < len; j++) {
                        node = ref[j];
                        if (node.nodeName === 'PROGRESS') {
                            results.push(node.value = progress);
                        } else {
                            results.push(node.style.width = progress + "%");
                        }
                    }
                    return results;
                }
            },
            totaluploadprogress: noop,
            sending: noop,
            sendingmultiple: noop,
            success: function (file) {
                if (file.previewElement) {
                    return file.previewElement.classList.add("dz-success");
                }
            },
            successmultiple: noop,
            canceled: function (file) {
                return this.emit("error", file, "Upload canceled.");
            },
            canceledmultiple: noop,
            complete: function (file) {
                if (file._removeLink) {
                    file._removeLink.textContent = this.options.dictRemoveFile;
                }
                if (file.previewElement) {
                    return file.previewElement.classList.add("dz-complete");
                }
            },
            completemultiple: noop,
            maxfilesexceeded: noop,
            maxfilesreached: noop,
            queuecomplete: noop,
            addedfiles: noop
        };

        extend = function () {
            var j, key, len, object, objects, target, val;
            target = arguments[0], objects = 2 <= arguments.length ? slice.call(arguments, 1) : [];
            for (j = 0, len = objects.length; j < len; j++) {
                object = objects[j];
                for (key in object) {
                    val = object[key];
                    target[key] = val;
                }
            }
            return target;
        };

        function Dropzone(element1, options) {
            var elementOptions, fallback, ref;
            this.element = element1;
            this.version = Dropzone.version;
            this.defaultOptions.previewTemplate = this.defaultOptions.previewTemplate.replace(/\n*/g, "");
            this.clickableElements = [];
            this.listeners = [];
            this.files = [];
            if (typeof this.element === "string") {
                this.element = document.querySelector(this.element);
            }
            if (!(this.element && (this.element.nodeType != null))) {
                throw new Error("Invalid dropzone element.");
            }
            if (this.element.dropzone) {
                throw new Error("Dropzone already attached.");
            }
            Dropzone.instances.push(this);
            this.element.dropzone = this;
            elementOptions = (ref = Dropzone.optionsForElement(this.element)) != null ? ref : {};
            this.options = extend({}, this.defaultOptions, elementOptions, options != null ? options : {});
            if (this.options.forceFallback || !Dropzone.isBrowserSupported()) {
                return this.options.fallback.call(this);
            }
            if (this.options.url == null) {
                this.options.url = this.element.getAttribute("action");
            }
            if (!this.options.url) {
                throw new Error("No URL provided.");
            }
            if (this.options.acceptedFiles && this.options.acceptedMimeTypes) {
                throw new Error("You can't provide both 'acceptedFiles' and 'acceptedMimeTypes'. 'acceptedMimeTypes' is deprecated.");
            }
            if (this.options.acceptedMimeTypes) {
                this.options.acceptedFiles = this.options.acceptedMimeTypes;
                delete this.options.acceptedMimeTypes;
            }
            if (this.options.renameFilename != null) {
                this.options.renameFile = (function (_this) {
                    return function (file) {
                        return _this.options.renameFilename.call(_this, file.name, file);
                    };
                })(this);
            }
            this.options.method = this.options.method.toUpperCase();
            if ((fallback = this.getExistingFallback()) && fallback.parentNode) {
                fallback.parentNode.removeChild(fallback);
            }
            if (this.options.previewsContainer !== false) {
                if (this.options.previewsContainer) {
                    this.previewsContainer = Dropzone.getElement(this.options.previewsContainer, "previewsContainer");
                } else {
                    this.previewsContainer = this.element;
                }
            }
            if (this.options.clickable) {
                if (this.options.clickable === true) {
                    this.clickableElements = [this.element];
                } else {
                    this.clickableElements = Dropzone.getElements(this.options.clickable, "clickable");
                }
            }
            this.init();
        }

        Dropzone.prototype.getAcceptedFiles = function () {
            var file, j, len, ref, results;
            ref = this.files;
            results = [];
            for (j = 0, len = ref.length; j < len; j++) {
                file = ref[j];
                if (file.accepted) {
                    results.push(file);
                }
            }
            return results;
        };

        Dropzone.prototype.getRejectedFiles = function () {
            var file, j, len, ref, results;
            ref = this.files;
            results = [];
            for (j = 0, len = ref.length; j < len; j++) {
                file = ref[j];
                if (!file.accepted) {
                    results.push(file);
                }
            }
            return results;
        };

        Dropzone.prototype.getFilesWithStatus = function (status) {
            var file, j, len, ref, results;
            ref = this.files;
            results = [];
            for (j = 0, len = ref.length; j < len; j++) {
                file = ref[j];
                if (file.status === status) {
                    results.push(file);
                }
            }
            return results;
        };

        Dropzone.prototype.getQueuedFiles = function () {
            return this.getFilesWithStatus(Dropzone.QUEUED);
        };

        Dropzone.prototype.getUploadingFiles = function () {
            return this.getFilesWithStatus(Dropzone.UPLOADING);
        };

        Dropzone.prototype.getAddedFiles = function () {
            return this.getFilesWithStatus(Dropzone.ADDED);
        };

        Dropzone.prototype.getActiveFiles = function () {
            var file, j, len, ref, results;
            ref = this.files;
            results = [];
            for (j = 0, len = ref.length; j < len; j++) {
                file = ref[j];
                if (file.status === Dropzone.UPLOADING || file.status === Dropzone.QUEUED) {
                    results.push(file);
                }
            }
            return results;
        };

        Dropzone.prototype.init = function () {
            var eventName, j, len, noPropagation, ref, ref1, setupHiddenFileInput;
            if (this.element.tagName === "form") {
                this.element.setAttribute("enctype", "multipart/form-data");
            }
            if (this.element.classList.contains("dropzone") && !this.element.querySelector(".dz-message")) {
                this.element.appendChild(Dropzone.createElement("<div class=\"dz-default dz-message\"><span>" + this.options.dictDefaultMessage + "</span></div>"));
            }
            if (this.clickableElements.length) {
                setupHiddenFileInput = (function (_this) {
                    return function () {
                        if (_this.hiddenFileInput) {
                            _this.hiddenFileInput.parentNode.removeChild(_this.hiddenFileInput);
                        }
                        _this.hiddenFileInput = document.createElement("input");
                        _this.hiddenFileInput.setAttribute("type", "file");
                        if ((_this.options.maxFiles == null) || _this.options.maxFiles > 1) {
                            _this.hiddenFileInput.setAttribute("multiple", "multiple");
                        }
                        _this.hiddenFileInput.className = "dz-hidden-input";
                        if (_this.options.acceptedFiles != null) {
                            _this.hiddenFileInput.setAttribute("accept", _this.options.acceptedFiles);
                        }
                        if (_this.options.capture != null) {
                            _this.hiddenFileInput.setAttribute("capture", _this.options.capture);
                        }
                        _this.hiddenFileInput.style.visibility = "hidden";
                        _this.hiddenFileInput.style.position = "absolute";
                        _this.hiddenFileInput.style.top = "0";
                        _this.hiddenFileInput.style.left = "0";
                        _this.hiddenFileInput.style.height = "0";
                        _this.hiddenFileInput.style.width = "0";
                        document.querySelector(_this.options.hiddenInputContainer).appendChild(_this.hiddenFileInput);
                        return _this.hiddenFileInput.addEventListener("change", function () {
                            var file, files, j, len;
                            files = _this.hiddenFileInput.files;
                            if (files.length) {
                                for (j = 0, len = files.length; j < len; j++) {
                                    file = files[j];
                                    _this.addFile(file);
                                }
                            }
                            _this.emit("addedfiles", files);
                            return setupHiddenFileInput();
                        });
                    };
                })(this);
                setupHiddenFileInput();
            }
            this.URL = (ref = window.URL) != null ? ref : window.webkitURL;
            ref1 = this.events;
            for (j = 0, len = ref1.length; j < len; j++) {
                eventName = ref1[j];
                this.on(eventName, this.options[eventName]);
            }
            this.on("uploadprogress", (function (_this) {
                return function () {
                    return _this.updateTotalUploadProgress();
                };
            })(this));
            this.on("removedfile", (function (_this) {
                return function () {
                    return _this.updateTotalUploadProgress();
                };
            })(this));
            this.on("canceled", (function (_this) {
                return function (file) {
                    return _this.emit("complete", file);
                };
            })(this));
            this.on("complete", (function (_this) {
                return function (file) {
                    if (_this.getAddedFiles().length === 0 && _this.getUploadingFiles().length === 0 && _this.getQueuedFiles().length === 0) {
                        return setTimeout((function () {
                            return _this.emit("queuecomplete");
                        }), 0);
                    }
                };
            })(this));
            noPropagation = function (e) {
                e.stopPropagation();
                if (e.preventDefault) {
                    return e.preventDefault();
                } else {
                    return e.returnValue = false;
                }
            };
            this.listeners = [
                {
                    element: this.element,
                    events: {
                        "dragstart": (function (_this) {
                            return function (e) {
                                return _this.emit("dragstart", e);
                            };
                        })(this),
                        "dragenter": (function (_this) {
                            return function (e) {
                                noPropagation(e);
                                return _this.emit("dragenter", e);
                            };
                        })(this),
                        "dragover": (function (_this) {
                            return function (e) {
                                var efct;
                                try {
                                    efct = e.dataTransfer.effectAllowed;
                                } catch (undefined) {
                                }
                                e.dataTransfer.dropEffect = 'move' === efct || 'linkMove' === efct ? 'move' : 'copy';
                                noPropagation(e);
                                return _this.emit("dragover", e);
                            };
                        })(this),
                        "dragleave": (function (_this) {
                            return function (e) {
                                return _this.emit("dragleave", e);
                            };
                        })(this),
                        "drop": (function (_this) {
                            return function (e) {
                                noPropagation(e);
                                return _this.drop(e);
                            };
                        })(this),
                        "dragend": (function (_this) {
                            return function (e) {
                                return _this.emit("dragend", e);
                            };
                        })(this)
                    }
                }
            ];
            this.clickableElements.forEach((function (_this) {
                return function (clickableElement) {
                    return _this.listeners.push({
                        element: clickableElement,
                        events: {
                            "click": function (evt) {
                                if ((clickableElement !== _this.element) || (evt.target === _this.element || Dropzone.elementInside(evt.target, _this.element.querySelector(".dz-message")))) {
                                    _this.hiddenFileInput.click();
                                }
                                return true;
                            }
                        }
                    });
                };
            })(this));
            this.enable();
            return this.options.init.call(this);
        };

        Dropzone.prototype.destroy = function () {
            var ref;
            this.disable();
            this.removeAllFiles(true);
            if ((ref = this.hiddenFileInput) != null ? ref.parentNode : void 0) {
                this.hiddenFileInput.parentNode.removeChild(this.hiddenFileInput);
                this.hiddenFileInput = null;
            }
            delete this.element.dropzone;
            return Dropzone.instances.splice(Dropzone.instances.indexOf(this), 1);
        };

        Dropzone.prototype.updateTotalUploadProgress = function () {
            var activeFiles, file, j, len, ref, totalBytes, totalBytesSent, totalUploadProgress;
            totalBytesSent = 0;
            totalBytes = 0;
            activeFiles = this.getActiveFiles();
            if (activeFiles.length) {
                ref = this.getActiveFiles();
                for (j = 0, len = ref.length; j < len; j++) {
                    file = ref[j];
                    totalBytesSent += file.upload.bytesSent;
                    totalBytes += file.upload.total;
                }
                totalUploadProgress = 100 * totalBytesSent / totalBytes;
            } else {
                totalUploadProgress = 100;
            }
            return this.emit("totaluploadprogress", totalUploadProgress, totalBytes, totalBytesSent);
        };

        Dropzone.prototype._getParamName = function (n) {
            if (typeof this.options.paramName === "function") {
                return this.options.paramName(n);
            } else {
                return "" + this.options.paramName + (this.options.uploadMultiple ? "[" + n + "]" : "");
            }
        };

        Dropzone.prototype._renameFile = function (file) {
            if (typeof this.options.renameFile !== "function") {
                return file.name;
            }
            return this.options.renameFile(file);
        };

        Dropzone.prototype.getFallbackForm = function () {
            var existingFallback, fields, fieldsString, form;
            if (existingFallback = this.getExistingFallback()) {
                return existingFallback;
            }
            fieldsString = "<div class=\"dz-fallback\">";
            if (this.options.dictFallbackText) {
                fieldsString += "<p>" + this.options.dictFallbackText + "</p>";
            }
            fieldsString += "<input type=\"file\" name=\"" + (this._getParamName(0)) + "\" " + (this.options.uploadMultiple ? 'multiple="multiple"' : void 0) + " /><input type=\"submit\" value=\"Upload!\"></div>";
            fields = Dropzone.createElement(fieldsString);
            if (this.element.tagName !== "FORM") {
                form = Dropzone.createElement("<form action=\"" + this.options.url + "\" enctype=\"multipart/form-data\" method=\"" + this.options.method + "\"></form>");
                form.appendChild(fields);
            } else {
                this.element.setAttribute("enctype", "multipart/form-data");
                this.element.setAttribute("method", this.options.method);
            }
            return form != null ? form : fields;
        };

        Dropzone.prototype.getExistingFallback = function () {
            var fallback, getFallback, j, len, ref, tagName;
            getFallback = function (elements) {
                var el, j, len;
                for (j = 0, len = elements.length; j < len; j++) {
                    el = elements[j];
                    if (/(^| )fallback($| )/.test(el.className)) {
                        return el;
                    }
                }
            };
            ref = ["div", "form"];
            for (j = 0, len = ref.length; j < len; j++) {
                tagName = ref[j];
                if (fallback = getFallback(this.element.getElementsByTagName(tagName))) {
                    return fallback;
                }
            }
        };

        Dropzone.prototype.setupEventListeners = function () {
            var elementListeners, event, j, len, listener, ref, results;
            ref = this.listeners;
            results = [];
            for (j = 0, len = ref.length; j < len; j++) {
                elementListeners = ref[j];
                results.push((function () {
                    var ref1, results1;
                    ref1 = elementListeners.events;
                    results1 = [];
                    for (event in ref1) {
                        listener = ref1[event];
                        results1.push(elementListeners.element.addEventListener(event, listener, false));
                    }
                    return results1;
                })());
            }
            return results;
        };

        Dropzone.prototype.removeEventListeners = function () {
            var elementListeners, event, j, len, listener, ref, results;
            ref = this.listeners;
            results = [];
            for (j = 0, len = ref.length; j < len; j++) {
                elementListeners = ref[j];
                results.push((function () {
                    var ref1, results1;
                    ref1 = elementListeners.events;
                    results1 = [];
                    for (event in ref1) {
                        listener = ref1[event];
                        results1.push(elementListeners.element.removeEventListener(event, listener, false));
                    }
                    return results1;
                })());
            }
            return results;
        };

        Dropzone.prototype.disable = function () {
            var file, j, len, ref, results;
            this.clickableElements.forEach(function (element) {
                return element.classList.remove("dz-clickable");
            });
            this.removeEventListeners();
            ref = this.files;
            results = [];
            for (j = 0, len = ref.length; j < len; j++) {
                file = ref[j];
                results.push(this.cancelUpload(file));
            }
            return results;
        };

        Dropzone.prototype.enable = function () {
            this.clickableElements.forEach(function (element) {
                return element.classList.add("dz-clickable");
            });
            return this.setupEventListeners();
        };

        Dropzone.prototype.filesize = function (size) {
            var cutoff, i, j, len, selectedSize, selectedUnit, unit, units;
            selectedSize = 0;
            selectedUnit = "b";
            if (size > 0) {
                units = ['tb', 'gb', 'mb', 'kb', 'b'];
                for (i = j = 0, len = units.length; j < len; i = ++j) {
                    unit = units[i];
                    cutoff = Math.pow(this.options.filesizeBase, 4 - i) / 10;
                    if (size >= cutoff) {
                        selectedSize = size / Math.pow(this.options.filesizeBase, 4 - i);
                        selectedUnit = unit;
                        break;
                    }
                }
                selectedSize = Math.round(10 * selectedSize) / 10;
            }
            return "<strong>" + selectedSize + "</strong> " + this.options.dictFileSizeUnits[selectedUnit];
        };

        Dropzone.prototype._updateMaxFilesReachedClass = function () {
            if ((this.options.maxFiles != null) && this.getAcceptedFiles().length >= this.options.maxFiles) {
                if (this.getAcceptedFiles().length === this.options.maxFiles) {
                    this.emit('maxfilesreached', this.files);
                }
                return this.element.classList.add("dz-max-files-reached");
            } else {
                return this.element.classList.remove("dz-max-files-reached");
            }
        };

        Dropzone.prototype.drop = function (e) {
            var files, items;
            if (!e.dataTransfer) {
                return;
            }
            this.emit("drop", e);
            files = e.dataTransfer.files;
            this.emit("addedfiles", files);
            if (files.length) {
                items = e.dataTransfer.items;
                if (items && items.length && (items[0].webkitGetAsEntry != null)) {
                    this._addFilesFromItems(items);
                } else {
                    this.handleFiles(files);
                }
            }
        };

        Dropzone.prototype.paste = function (e) {
            var items, ref;
            if ((e != null ? (ref = e.clipboardData) != null ? ref.items : void 0 : void 0) == null) {
                return;
            }
            this.emit("paste", e);
            items = e.clipboardData.items;
            if (items.length) {
                return this._addFilesFromItems(items);
            }
        };

        Dropzone.prototype.handleFiles = function (files) {
            var file, j, len, results;
            results = [];
            for (j = 0, len = files.length; j < len; j++) {
                file = files[j];
                results.push(this.addFile(file));
            }
            return results;
        };

        Dropzone.prototype._addFilesFromItems = function (items) {
            var entry, item, j, len, results;
            results = [];
            for (j = 0, len = items.length; j < len; j++) {
                item = items[j];
                if ((item.webkitGetAsEntry != null) && (entry = item.webkitGetAsEntry())) {
                    if (entry.isFile) {
                        results.push(this.addFile(item.getAsFile()));
                    } else if (entry.isDirectory) {
                        results.push(this._addFilesFromDirectory(entry, entry.name));
                    } else {
                        results.push(void 0);
                    }
                } else if (item.getAsFile != null) {
                    if ((item.kind == null) || item.kind === "file") {
                        results.push(this.addFile(item.getAsFile()));
                    } else {
                        results.push(void 0);
                    }
                } else {
                    results.push(void 0);
                }
            }
            return results;
        };

        Dropzone.prototype._addFilesFromDirectory = function (directory, path) {
            var dirReader, errorHandler, readEntries;
            dirReader = directory.createReader();
            errorHandler = function (error) {
                return typeof console !== "undefined" && console !== null ? typeof console.log === "function" ? console.log(error) : void 0 : void 0;
            };
            readEntries = (function (_this) {
                return function () {
                    return dirReader.readEntries(function (entries) {
                        var entry, j, len;
                        if (entries.length > 0) {
                            for (j = 0, len = entries.length; j < len; j++) {
                                entry = entries[j];
                                if (entry.isFile) {
                                    entry.file(function (file) {
                                        if (_this.options.ignoreHiddenFiles && file.name.substring(0, 1) === '.') {
                                            return;
                                        }
                                        file.fullPath = path + "/" + file.name;
                                        return _this.addFile(file);
                                    });
                                } else if (entry.isDirectory) {
                                    _this._addFilesFromDirectory(entry, path + "/" + entry.name);
                                }
                            }
                            readEntries();
                        }
                        return null;
                    }, errorHandler);
                };
            })(this);
            return readEntries();
        };

        Dropzone.prototype.accept = function (file, done) {
            if (file.size > this.options.maxFilesize * 1024 * 1024) {
                return done(this.options.dictFileTooBig.replace("{{filesize}}", Math.round(file.size / 1024 / 10.24) / 100).replace("{{maxFilesize}}", this.options.maxFilesize));
            } else if (!Dropzone.isValidFile(file, this.options.acceptedFiles)) {
                return done(this.options.dictInvalidFileType);
            } else if ((this.options.maxFiles != null) && this.getAcceptedFiles().length >= this.options.maxFiles) {
                done(this.options.dictMaxFilesExceeded.replace("{{maxFiles}}", this.options.maxFiles));
                return this.emit("maxfilesexceeded", file);
            } else {
                return this.options.accept.call(this, file, done);
            }
        };

        Dropzone.prototype.addFile = function (file) {
            file.upload = {
                progress: 0,
                total: file.size,
                bytesSent: 0,
                filename: this._renameFile(file)
            };
            this.files.push(file);
            file.status = Dropzone.ADDED;
            this.emit("addedfile", file);
            this._enqueueThumbnail(file);
            return this.accept(file, (function (_this) {
                return function (error) {
                    if (error) {
                        file.accepted = false;
                        _this._errorProcessing([file], error);
                    } else {
                        file.accepted = true;
                        if (_this.options.autoQueue) {
                            _this.enqueueFile(file);
                        }
                    }
                    return _this._updateMaxFilesReachedClass();
                };
            })(this));
        };

        Dropzone.prototype.enqueueFiles = function (files) {
            var file, j, len;
            for (j = 0, len = files.length; j < len; j++) {
                file = files[j];
                this.enqueueFile(file);
            }
            return null;
        };

        Dropzone.prototype.enqueueFile = function (file) {
            if (file.status === Dropzone.ADDED && file.accepted === true) {
                file.status = Dropzone.QUEUED;
                if (this.options.autoProcessQueue) {
                    return setTimeout(((function (_this) {
                        return function () {
                            return _this.processQueue();
                        };
                    })(this)), 0);
                }
            } else {
                throw new Error("This file can't be queued because it has already been processed or was rejected.");
            }
        };

        Dropzone.prototype._thumbnailQueue = [];

        Dropzone.prototype._processingThumbnail = false;

        Dropzone.prototype._enqueueThumbnail = function (file) {
            if (this.options.createImageThumbnails && file.type.match(/image.*/) && file.size <= this.options.maxThumbnailFilesize * 1024 * 1024) {
                this._thumbnailQueue.push(file);
                return setTimeout(((function (_this) {
                    return function () {
                        return _this._processThumbnailQueue();
                    };
                })(this)), 0);
            }
        };

        Dropzone.prototype._processThumbnailQueue = function () {
            var file;
            if (this._processingThumbnail || this._thumbnailQueue.length === 0) {
                return;
            }
            this._processingThumbnail = true;
            file = this._thumbnailQueue.shift();
            return this.createThumbnail(file, this.options.thumbnailWidth, this.options.thumbnailHeight, this.options.thumbnailMethod, true, (function (_this) {
                return function (dataUrl) {
                    _this.emit("thumbnail", file, dataUrl);
                    _this._processingThumbnail = false;
                    return _this._processThumbnailQueue();
                };
            })(this));
        };

        Dropzone.prototype.removeFile = function (file) {
            if (file.status === Dropzone.UPLOADING) {
                this.cancelUpload(file);
            }
            this.files = without(this.files, file);
            this.emit("removedfile", file);
            if (this.files.length === 0) {
                return this.emit("reset");
            }
        };

        Dropzone.prototype.removeAllFiles = function (cancelIfNecessary) {
            var file, j, len, ref;
            if (cancelIfNecessary == null) {
                cancelIfNecessary = false;
            }
            ref = this.files.slice();
            for (j = 0, len = ref.length; j < len; j++) {
                file = ref[j];
                if (file.status !== Dropzone.UPLOADING || cancelIfNecessary) {
                    this.removeFile(file);
                }
            }
            return null;
        };

        Dropzone.prototype.resizeImage = function (file, width, height, resizeMethod, callback) {
            return this.createThumbnail(file, width, height, resizeMethod, false, (function (_this) {
                return function (dataUrl, canvas) {
                    var resizeMimeType, resizedDataURL;
                    if (canvas === null) {
                        return callback(file);
                    } else {
                        resizeMimeType = _this.options.resizeMimeType;
                        if (resizeMimeType == null) {
                            resizeMimeType = file.type;
                        }
                        resizedDataURL = canvas.toDataURL(resizeMimeType, _this.options.resizeQuality);
                        if (resizeMimeType === 'image/jpeg' || resizeMimeType === 'image/jpg') {
                            resizedDataURL = ExifRestore.restore(file.dataURL, resizedDataURL);
                        }
                        return callback(Dropzone.dataURItoBlob(resizedDataURL));
                    }
                };
            })(this));
        };

        Dropzone.prototype.createThumbnail = function (file, width, height, resizeMethod, fixOrientation, callback) {
            var fileReader;
            fileReader = new FileReader;
            fileReader.onload = (function (_this) {
                return function () {
                    file.dataURL = fileReader.result;
                    if (file.type === "image/svg+xml") {
                        if (callback != null) {
                            callback(fileReader.result);
                        }
                        return;
                    }
                    return _this.createThumbnailFromUrl(file, width, height, resizeMethod, fixOrientation, callback);
                };
            })(this);
            return fileReader.readAsDataURL(file);
        };

        Dropzone.prototype.createThumbnailFromUrl = function (file, width, height, resizeMethod, fixOrientation, callback, crossOrigin) {
            var img;
            img = document.createElement("img");
            if (crossOrigin) {
                img.crossOrigin = crossOrigin;
            }
            img.onload = (function (_this) {
                return function () {
                    var loadExif;
                    loadExif = function (callback) {
                        return callback(1);
                    };
                    if ((typeof EXIF !== "undefined" && EXIF !== null) && fixOrientation) {
                        loadExif = function (callback) {
                            return EXIF.getData(img, function () {
                                return callback(EXIF.getTag(this, 'Orientation'));
                            });
                        };
                    }
                    return loadExif(function (orientation) {
                        var canvas, ctx, ref, ref1, ref2, ref3, resizeInfo, thumbnail;
                        file.width = img.width;
                        file.height = img.height;
                        resizeInfo = _this.options.resize.call(_this, file, width, height, resizeMethod);
                        canvas = document.createElement("canvas");
                        ctx = canvas.getContext("2d");
                        canvas.width = resizeInfo.trgWidth;
                        canvas.height = resizeInfo.trgHeight;
                        if (orientation > 4) {
                            canvas.width = resizeInfo.trgHeight;
                            canvas.height = resizeInfo.trgWidth;
                        }
                        switch (orientation) {
                            case 2:
                                ctx.translate(canvas.width, 0);
                                ctx.scale(-1, 1);
                                break;
                            case 3:
                                ctx.translate(canvas.width, canvas.height);
                                ctx.rotate(Math.PI);
                                break;
                            case 4:
                                ctx.translate(0, canvas.height);
                                ctx.scale(1, -1);
                                break;
                            case 5:
                                ctx.rotate(0.5 * Math.PI);
                                ctx.scale(1, -1);
                                break;
                            case 6:
                                ctx.rotate(0.5 * Math.PI);
                                ctx.translate(0, -canvas.height);
                                break;
                            case 7:
                                ctx.rotate(0.5 * Math.PI);
                                ctx.translate(canvas.width, -canvas.height);
                                ctx.scale(-1, 1);
                                break;
                            case 8:
                                ctx.rotate(-0.5 * Math.PI);
                                ctx.translate(-canvas.width, 0);
                        }
                        drawImageIOSFix(ctx, img, (ref = resizeInfo.srcX) != null ? ref : 0, (ref1 = resizeInfo.srcY) != null ? ref1 : 0, resizeInfo.srcWidth, resizeInfo.srcHeight, (ref2 = resizeInfo.trgX) != null ? ref2 : 0, (ref3 = resizeInfo.trgY) != null ? ref3 : 0, resizeInfo.trgWidth, resizeInfo.trgHeight);
                        thumbnail = canvas.toDataURL("image/png");
                        if (callback != null) {
                            return callback(thumbnail, canvas);
                        }
                    });
                };
            })(this);
            if (callback != null) {
                img.onerror = callback;
            }
            return img.src = file.dataURL;
        };

        Dropzone.prototype.processQueue = function () {
            var i, parallelUploads, processingLength, queuedFiles;
            parallelUploads = this.options.parallelUploads;
            processingLength = this.getUploadingFiles().length;
            i = processingLength;
            if (processingLength >= parallelUploads) {
                return;
            }
            queuedFiles = this.getQueuedFiles();
            if (!(queuedFiles.length > 0)) {
                return;
            }
            if (this.options.uploadMultiple) {
                return this.processFiles(queuedFiles.slice(0, parallelUploads - processingLength));
            } else {
                while (i < parallelUploads) {
                    if (!queuedFiles.length) {
                        return;
                    }
                    this.processFile(queuedFiles.shift());
                    i++;
                }
            }
        };

        Dropzone.prototype.processFile = function (file) {
            return this.processFiles([file]);
        };

        Dropzone.prototype.processFiles = function (files) {
            var file, j, len;
            for (j = 0, len = files.length; j < len; j++) {
                file = files[j];
                file.processing = true;
                file.status = Dropzone.UPLOADING;
                this.emit("processing", file);
            }
            if (this.options.uploadMultiple) {
                this.emit("processingmultiple", files);
            }
            return this.uploadFiles(files);
        };

        Dropzone.prototype._getFilesWithXhr = function (xhr) {
            var file, files;
            return files = (function () {
                var j, len, ref, results;
                ref = this.files;
                results = [];
                for (j = 0, len = ref.length; j < len; j++) {
                    file = ref[j];
                    if (file.xhr === xhr) {
                        results.push(file);
                    }
                }
                return results;
            }).call(this);
        };

        Dropzone.prototype.cancelUpload = function (file) {
            var groupedFile, groupedFiles, j, k, len, len1, ref;
            if (file.status === Dropzone.UPLOADING) {
                groupedFiles = this._getFilesWithXhr(file.xhr);
                for (j = 0, len = groupedFiles.length; j < len; j++) {
                    groupedFile = groupedFiles[j];
                    groupedFile.status = Dropzone.CANCELED;
                }
                file.xhr.abort();
                for (k = 0, len1 = groupedFiles.length; k < len1; k++) {
                    groupedFile = groupedFiles[k];
                    this.emit("canceled", groupedFile);
                }
                if (this.options.uploadMultiple) {
                    this.emit("canceledmultiple", groupedFiles);
                }
            } else if ((ref = file.status) === Dropzone.ADDED || ref === Dropzone.QUEUED) {
                file.status = Dropzone.CANCELED;
                this.emit("canceled", file);
                if (this.options.uploadMultiple) {
                    this.emit("canceledmultiple", [file]);
                }
            }
            if (this.options.autoProcessQueue) {
                return this.processQueue();
            }
        };

        resolveOption = function () {
            var args, option;
            option = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
            if (typeof option === 'function') {
                return option.apply(this, args);
            }
            return option;
        };

        Dropzone.prototype.uploadFile = function (file) {
            return this.uploadFiles([file]);
        };

        Dropzone.prototype.uploadFiles = function (files) {
            var doneCounter, doneFunction, file, formData, handleError, headerName, headerValue, headers, i, input,
                inputName, inputType, j, k, key, l, len, len1, len2, len3, m, method, o, option, progressObj, ref, ref1,
                ref2, ref3, ref4, ref5, response, results, updateProgress, url, value, xhr;
            xhr = new XMLHttpRequest();
            for (j = 0, len = files.length; j < len; j++) {
                file = files[j];
                file.xhr = xhr;
            }
            method = resolveOption(this.options.method, files);
            url = resolveOption(this.options.url, files);
            xhr.open(method, url, true);
            xhr.timeout = resolveOption(this.options.timeout, files);
            xhr.withCredentials = !!this.options.withCredentials;
            response = null;
            handleError = (function (_this) {
                return function () {
                    var k, len1, results;
                    results = [];
                    for (k = 0, len1 = files.length; k < len1; k++) {
                        file = files[k];
                        results.push(_this._errorProcessing(files, response || _this.options.dictResponseError.replace("{{statusCode}}", xhr.status), xhr));
                    }
                    return results;
                };
            })(this);
            updateProgress = (function (_this) {
                return function (e) {
                    var allFilesFinished, k, l, len1, len2, len3, m, progress, results;
                    if (e != null) {
                        progress = 100 * e.loaded / e.total;
                        for (k = 0, len1 = files.length; k < len1; k++) {
                            file = files[k];
                            file.upload.progress = progress;
                            file.upload.total = e.total;
                            file.upload.bytesSent = e.loaded;
                        }
                    } else {
                        allFilesFinished = true;
                        progress = 100;
                        for (l = 0, len2 = files.length; l < len2; l++) {
                            file = files[l];
                            if (!(file.upload.progress === 100 && file.upload.bytesSent === file.upload.total)) {
                                allFilesFinished = false;
                            }
                            file.upload.progress = progress;
                            file.upload.bytesSent = file.upload.total;
                        }
                        if (allFilesFinished) {
                            return;
                        }
                    }
                    results = [];
                    for (m = 0, len3 = files.length; m < len3; m++) {
                        file = files[m];
                        results.push(_this.emit("uploadprogress", file, progress, file.upload.bytesSent));
                    }
                    return results;
                };
            })(this);
            xhr.onload = (function (_this) {
                return function (e) {
                    var error1, ref;
                    if (files[0].status === Dropzone.CANCELED) {
                        return;
                    }
                    if (xhr.readyState !== 4) {
                        return;
                    }
                    if (xhr.responseType !== 'arraybuffer' && xhr.responseType !== 'blob') {
                        response = xhr.responseText;
                        if (xhr.getResponseHeader("content-type") && ~xhr.getResponseHeader("content-type").indexOf("application/json")) {
                            try {
                                response = JSON.parse(response);
                            } catch (error1) {
                                e = error1;
                                response = "Invalid JSON response from server.";
                            }
                        }
                    }
                    updateProgress();
                    if (!((200 <= (ref = xhr.status) && ref < 300))) {
                        return handleError();
                    } else {
                        return _this._finished(files, response, e);
                    }
                };
            })(this);
            xhr.onerror = (function (_this) {
                return function () {
                    if (files[0].status === Dropzone.CANCELED) {
                        return;
                    }
                    return handleError();
                };
            })(this);
            progressObj = (ref = xhr.upload) != null ? ref : xhr;
            progressObj.onprogress = updateProgress;
            headers = {
                "Accept": "application/json",
                "Cache-Control": "no-cache",
                "X-Requested-With": "XMLHttpRequest"
            };
            if (this.options.headers) {
                extend(headers, this.options.headers);
            }
            for (headerName in headers) {
                headerValue = headers[headerName];
                if (headerValue) {
                    xhr.setRequestHeader(headerName, headerValue);
                }
            }
            formData = new FormData();
            if (this.options.params) {
                ref1 = this.options.params;
                for (key in ref1) {
                    value = ref1[key];
                    formData.append(key, value);
                }
            }
            for (k = 0, len1 = files.length; k < len1; k++) {
                file = files[k];
                this.emit("sending", file, xhr, formData);
            }
            if (this.options.uploadMultiple) {
                this.emit("sendingmultiple", files, xhr, formData);
            }
            if (this.element.tagName === "FORM") {
                ref2 = this.element.querySelectorAll("input, textarea, select, button");
                for (l = 0, len2 = ref2.length; l < len2; l++) {
                    input = ref2[l];
                    inputName = input.getAttribute("name");
                    inputType = input.getAttribute("type");
                    if (input.tagName === "SELECT" && input.hasAttribute("multiple")) {
                        ref3 = input.options;
                        for (m = 0, len3 = ref3.length; m < len3; m++) {
                            option = ref3[m];
                            if (option.selected) {
                                formData.append(inputName, option.value);
                            }
                        }
                    } else if (!inputType || ((ref4 = inputType.toLowerCase()) !== "checkbox" && ref4 !== "radio") || input.checked) {
                        formData.append(inputName, input.value);
                    }
                }
            }
            doneCounter = 0;
            results = [];
            for (i = o = 0, ref5 = files.length - 1; 0 <= ref5 ? o <= ref5 : o >= ref5; i = 0 <= ref5 ? ++o : --o) {
                doneFunction = (function (_this) {
                    return function (file, paramName, fileName) {
                        return function (transformedFile) {
                            formData.append(paramName, transformedFile, fileName);
                            if (++doneCounter === files.length) {
                                return _this.submitRequest(xhr, formData, files);
                            }
                        };
                    };
                })(this);
                results.push(this.options.transformFile.call(this, files[i], doneFunction(files[i], this._getParamName(i), files[i].upload.filename)));
            }
            return results;
        };

        Dropzone.prototype.submitRequest = function (xhr, formData, files) {
            return xhr.send(formData);
        };

        Dropzone.prototype._finished = function (files, responseText, e) {
            var file, j, len;
            for (j = 0, len = files.length; j < len; j++) {
                file = files[j];
                file.status = Dropzone.SUCCESS;
                this.emit("success", file, responseText, e);
                this.emit("complete", file);
            }
            if (this.options.uploadMultiple) {
                this.emit("successmultiple", files, responseText, e);
                this.emit("completemultiple", files);
            }
            if (this.options.autoProcessQueue) {
                return this.processQueue();
            }
        };

        Dropzone.prototype._errorProcessing = function (files, message, xhr) {
            var file, j, len;
            for (j = 0, len = files.length; j < len; j++) {
                file = files[j];
                file.status = Dropzone.ERROR;
                this.emit("error", file, message, xhr);
                this.emit("complete", file);
            }
            if (this.options.uploadMultiple) {
                this.emit("errormultiple", files, message, xhr);
                this.emit("completemultiple", files);
            }
            if (this.options.autoProcessQueue) {
                return this.processQueue();
            }
        };

        return Dropzone;

    })(Emitter);

    Dropzone.version = "5.1.1";

    Dropzone.options = {};

    Dropzone.optionsForElement = function (element) {
        if (element.getAttribute("id")) {
            return Dropzone.options[camelize(element.getAttribute("id"))];
        } else {
            return void 0;
        }
    };

    Dropzone.instances = [];

    Dropzone.forElement = function (element) {
        if (typeof element === "string") {
            element = document.querySelector(element);
        }
        if ((element != null ? element.dropzone : void 0) == null) {
            throw new Error("No Dropzone found for given element. This is probably because you're trying to access it before Dropzone had the time to initialize. Use the `init` option to setup any additional observers on your Dropzone.");
        }
        return element.dropzone;
    };

    Dropzone.autoDiscover = true;

    Dropzone.discover = function () {
        var checkElements, dropzone, dropzones, j, len, results;
        if (document.querySelectorAll) {
            dropzones = document.querySelectorAll(".dropzone");
        } else {
            dropzones = [];
            checkElements = function (elements) {
                var el, j, len, results;
                results = [];
                for (j = 0, len = elements.length; j < len; j++) {
                    el = elements[j];
                    if (/(^| )dropzone($| )/.test(el.className)) {
                        results.push(dropzones.push(el));
                    } else {
                        results.push(void 0);
                    }
                }
                return results;
            };
            checkElements(document.getElementsByTagName("div"));
            checkElements(document.getElementsByTagName("form"));
        }
        results = [];
        for (j = 0, len = dropzones.length; j < len; j++) {
            dropzone = dropzones[j];
            if (Dropzone.optionsForElement(dropzone) !== false) {
                results.push(new Dropzone(dropzone));
            } else {
                results.push(void 0);
            }
        }
        return results;
    };

    Dropzone.blacklistedBrowsers = [/opera.*Macintosh.*version\/12/i];

    Dropzone.isBrowserSupported = function () {
        var capableBrowser, j, len, ref, regex;
        capableBrowser = true;
        if (window.File && window.FileReader && window.FileList && window.Blob && window.FormData && document.querySelector) {
            if (!("classList" in document.createElement("a"))) {
                capableBrowser = false;
            } else {
                ref = Dropzone.blacklistedBrowsers;
                for (j = 0, len = ref.length; j < len; j++) {
                    regex = ref[j];
                    if (regex.test(navigator.userAgent)) {
                        capableBrowser = false;
                        continue;
                    }
                }
            }
        } else {
            capableBrowser = false;
        }
        return capableBrowser;
    };

    Dropzone.dataURItoBlob = function (dataURI) {
        var ab, byteString, i, ia, j, mimeString, ref;
        byteString = atob(dataURI.split(',')[1]);
        mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0];
        ab = new ArrayBuffer(byteString.length);
        ia = new Uint8Array(ab);
        for (i = j = 0, ref = byteString.length; 0 <= ref ? j <= ref : j >= ref; i = 0 <= ref ? ++j : --j) {
            ia[i] = byteString.charCodeAt(i);
        }
        return new Blob([ab], {
            type: mimeString
        });
    };

    without = function (list, rejectedItem) {
        var item, j, len, results;
        results = [];
        for (j = 0, len = list.length; j < len; j++) {
            item = list[j];
            if (item !== rejectedItem) {
                results.push(item);
            }
        }
        return results;
    };

    camelize = function (str) {
        return str.replace(/[\-_](\w)/g, function (match) {
            return match.charAt(1).toUpperCase();
        });
    };

    Dropzone.createElement = function (string) {
        var div;
        div = document.createElement("div");
        div.innerHTML = string;
        return div.childNodes[0];
    };

    Dropzone.elementInside = function (element, container) {
        if (element === container) {
            return true;
        }
        while (element = element.parentNode) {
            if (element === container) {
                return true;
            }
        }
        return false;
    };

    Dropzone.getElement = function (el, name) {
        var element;
        if (typeof el === "string") {
            element = document.querySelector(el);
        } else if (el.nodeType != null) {
            element = el;
        }
        if (element == null) {
            throw new Error("Invalid `" + name + "` option provided. Please provide a CSS selector or a plain HTML element.");
        }
        return element;
    };

    Dropzone.getElements = function (els, name) {
        var e, el, elements, error1, j, k, len, len1, ref;
        if (els instanceof Array) {
            elements = [];
            try {
                for (j = 0, len = els.length; j < len; j++) {
                    el = els[j];
                    elements.push(this.getElement(el, name));
                }
            } catch (error1) {
                e = error1;
                elements = null;
            }
        } else if (typeof els === "string") {
            elements = [];
            ref = document.querySelectorAll(els);
            for (k = 0, len1 = ref.length; k < len1; k++) {
                el = ref[k];
                elements.push(el);
            }
        } else if (els.nodeType != null) {
            elements = [els];
        }
        if (!((elements != null) && elements.length)) {
            throw new Error("Invalid `" + name + "` option provided. Please provide a CSS selector, a plain HTML element or a list of those.");
        }
        return elements;
    };

    Dropzone.confirm = function (question, accepted, rejected) {
        if (window.confirm(question)) {
            return accepted();
        } else if (rejected != null) {
            return rejected();
        }
    };

    Dropzone.isValidFile = function (file, acceptedFiles) {
        var baseMimeType, j, len, mimeType, validType;
        if (!acceptedFiles) {
            return true;
        }
        acceptedFiles = acceptedFiles.split(",");
        mimeType = file.type;
        baseMimeType = mimeType.replace(/\/.*$/, "");
        for (j = 0, len = acceptedFiles.length; j < len; j++) {
            validType = acceptedFiles[j];
            validType = validType.trim();
            if (validType.charAt(0) === ".") {
                if (file.name.toLowerCase().indexOf(validType.toLowerCase(), file.name.length - validType.length) !== -1) {
                    return true;
                }
            } else if (/\/\*$/.test(validType)) {
                if (baseMimeType === validType.replace(/\/.*$/, "")) {
                    return true;
                }
            } else {
                if (mimeType === validType) {
                    return true;
                }
            }
        }
        return false;
    };

    if (typeof jQuery !== "undefined" && jQuery !== null) {
        jQuery.fn.dropzone = function (options) {
            return this.each(function () {
                return new Dropzone(this, options);
            });
        };
    }

    if (typeof module !== "undefined" && module !== null) {
        module.exports = Dropzone;
    } else {
        window.Dropzone = Dropzone;
    }

    Dropzone.ADDED = "added";

    Dropzone.QUEUED = "queued";

    Dropzone.ACCEPTED = Dropzone.QUEUED;

    Dropzone.UPLOADING = "uploading";

    Dropzone.PROCESSING = Dropzone.UPLOADING;

    Dropzone.CANCELED = "canceled";

    Dropzone.ERROR = "error";

    Dropzone.SUCCESS = "success";


    /*

    Bugfix for iOS 6 and 7
    Source: http://stackoverflow.com/questions/11929099/html5-canvas-drawimage-ratio-bug-ios
    based on the work of https://github.com/stomita/ios-imagefile-megapixel
     */

    detectVerticalSquash = function (img) {
        var alpha, canvas, ctx, data, ey, ih, iw, py, ratio, sy;
        iw = img.naturalWidth;
        ih = img.naturalHeight;
        canvas = document.createElement("canvas");
        canvas.width = 1;
        canvas.height = ih;
        ctx = canvas.getContext("2d");
        ctx.drawImage(img, 0, 0);
        data = ctx.getImageData(1, 0, 1, ih).data;
        sy = 0;
        ey = ih;
        py = ih;
        while (py > sy) {
            alpha = data[(py - 1) * 4 + 3];
            if (alpha === 0) {
                ey = py;
            } else {
                sy = py;
            }
            py = (ey + sy) >> 1;
        }
        ratio = py / ih;
        if (ratio === 0) {
            return 1;
        } else {
            return ratio;
        }
    };

    drawImageIOSFix = function (ctx, img, sx, sy, sw, sh, dx, dy, dw, dh) {
        var vertSquashRatio;
        vertSquashRatio = detectVerticalSquash(img);
        return ctx.drawImage(img, sx, sy, sw, sh, dx, dy, dw, dh / vertSquashRatio);
    };

    ExifRestore = (function () {
        function ExifRestore() {
        }

        ExifRestore.KEY_STR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';

        ExifRestore.encode64 = function (input) {
            var chr1, chr2, chr3, enc1, enc2, enc3, enc4, i, output;
            output = '';
            chr1 = void 0;
            chr2 = void 0;
            chr3 = '';
            enc1 = void 0;
            enc2 = void 0;
            enc3 = void 0;
            enc4 = '';
            i = 0;
            while (true) {
                chr1 = input[i++];
                chr2 = input[i++];
                chr3 = input[i++];
                enc1 = chr1 >> 2;
                enc2 = (chr1 & 3) << 4 | chr2 >> 4;
                enc3 = (chr2 & 15) << 2 | chr3 >> 6;
                enc4 = chr3 & 63;
                if (isNaN(chr2)) {
                    enc3 = enc4 = 64;
                } else if (isNaN(chr3)) {
                    enc4 = 64;
                }
                output = output + this.KEY_STR.charAt(enc1) + this.KEY_STR.charAt(enc2) + this.KEY_STR.charAt(enc3) + this.KEY_STR.charAt(enc4);
                chr1 = chr2 = chr3 = '';
                enc1 = enc2 = enc3 = enc4 = '';
                if (!(i < input.length)) {
                    break;
                }
            }
            return output;
        };

        ExifRestore.restore = function (origFileBase64, resizedFileBase64) {
            var image, rawImage, segments;
            if (!origFileBase64.match('data:image/jpeg;base64,')) {
                return resizedFileBase64;
            }
            rawImage = this.decode64(origFileBase64.replace('data:image/jpeg;base64,', ''));
            segments = this.slice2Segments(rawImage);
            image = this.exifManipulation(resizedFileBase64, segments);
            return 'data:image/jpeg;base64,' + this.encode64(image);
        };

        ExifRestore.exifManipulation = function (resizedFileBase64, segments) {
            var aBuffer, exifArray, newImageArray;
            exifArray = this.getExifArray(segments);
            newImageArray = this.insertExif(resizedFileBase64, exifArray);
            aBuffer = new Uint8Array(newImageArray);
            return aBuffer;
        };

        ExifRestore.getExifArray = function (segments) {
            var seg, x;
            seg = void 0;
            x = 0;
            while (x < segments.length) {
                seg = segments[x];
                if (seg[0] === 255 & seg[1] === 225) {
                    return seg;
                }
                x++;
            }
            return [];
        };

        ExifRestore.insertExif = function (resizedFileBase64, exifArray) {
            var array, ato, buf, imageData, mae, separatePoint;
            imageData = resizedFileBase64.replace('data:image/jpeg;base64,', '');
            buf = this.decode64(imageData);
            separatePoint = buf.indexOf(255, 3);
            mae = buf.slice(0, separatePoint);
            ato = buf.slice(separatePoint);
            array = mae;
            array = array.concat(exifArray);
            array = array.concat(ato);
            return array;
        };

        ExifRestore.slice2Segments = function (rawImageArray) {
            var endPoint, head, length, seg, segments;
            head = 0;
            segments = [];
            while (true) {
                if (rawImageArray[head] === 255 & rawImageArray[head + 1] === 218) {
                    break;
                }
                if (rawImageArray[head] === 255 & rawImageArray[head + 1] === 216) {
                    head += 2;
                } else {
                    length = rawImageArray[head + 2] * 256 + rawImageArray[head + 3];
                    endPoint = head + length + 2;
                    seg = rawImageArray.slice(head, endPoint);
                    segments.push(seg);
                    head = endPoint;
                }
                if (head > rawImageArray.length) {
                    break;
                }
            }
            return segments;
        };

        ExifRestore.decode64 = function (input) {
            var base64test, buf, chr1, chr2, chr3, enc1, enc2, enc3, enc4, i, output;
            output = '';
            chr1 = void 0;
            chr2 = void 0;
            chr3 = '';
            enc1 = void 0;
            enc2 = void 0;
            enc3 = void 0;
            enc4 = '';
            i = 0;
            buf = [];
            base64test = /[^A-Za-z0-9\+\/\=]/g;
            if (base64test.exec(input)) {
                console.warning('There were invalid base64 characters in the input text.\n' + 'Valid base64 characters are A-Z, a-z, 0-9, \'+\', \'/\',and \'=\'\n' + 'Expect errors in decoding.');
            }
            input = input.replace(/[^A-Za-z0-9\+\/\=]/g, '');
            while (true) {
                enc1 = this.KEY_STR.indexOf(input.charAt(i++));
                enc2 = this.KEY_STR.indexOf(input.charAt(i++));
                enc3 = this.KEY_STR.indexOf(input.charAt(i++));
                enc4 = this.KEY_STR.indexOf(input.charAt(i++));
                chr1 = enc1 << 2 | enc2 >> 4;
                chr2 = (enc2 & 15) << 4 | enc3 >> 2;
                chr3 = (enc3 & 3) << 6 | enc4;
                buf.push(chr1);
                if (enc3 !== 64) {
                    buf.push(chr2);
                }
                if (enc4 !== 64) {
                    buf.push(chr3);
                }
                chr1 = chr2 = chr3 = '';
                enc1 = enc2 = enc3 = enc4 = '';
                if (!(i < input.length)) {
                    break;
                }
            }
            return buf;
        };

        return ExifRestore;

    })();


    /*
     * contentloaded.js
     *
     * Author: Diego Perini (diego.perini at gmail.com)
     * Summary: cross-browser wrapper for DOMContentLoaded
     * Updated: 20101020
     * License: MIT
     * Version: 1.2
     *
     * URL:
     * http://javascript.nwbox.com/ContentLoaded/
     * http://javascript.nwbox.com/ContentLoaded/MIT-LICENSE
     */

    contentLoaded = function (win, fn) {
        var add, doc, done, init, poll, pre, rem, root, top;
        done = false;
        top = true;
        doc = win.document;
        root = doc.documentElement;
        add = (doc.addEventListener ? "addEventListener" : "attachEvent");
        rem = (doc.addEventListener ? "removeEventListener" : "detachEvent");
        pre = (doc.addEventListener ? "" : "on");
        init = function (e) {
            if (e.type === "readystatechange" && doc.readyState !== "complete") {
                return;
            }
            (e.type === "load" ? win : doc)[rem](pre + e.type, init, false);
            if (!done && (done = true)) {
                return fn.call(win, e.type || e);
            }
        };
        poll = function () {
            var e, error1;
            try {
                root.doScroll("left");
            } catch (error1) {
                e = error1;
                setTimeout(poll, 50);
                return;
            }
            return init("poll");
        };
        if (doc.readyState !== "complete") {
            if (doc.createEventObject && root.doScroll) {
                try {
                    top = !win.frameElement;
                } catch (undefined) {
                }
                if (top) {
                    poll();
                }
            }
            doc[add](pre + "DOMContentLoaded", init, false);
            doc[add](pre + "readystatechange", init, false);
            return win[add](pre + "load", init, false);
        }
    };

    Dropzone._autoDiscoverFunction = function () {
        if (Dropzone.autoDiscover) {
            return Dropzone.discover();
        }
    };

    contentLoaded(window, Dropzone._autoDiscoverFunction);

}).call(this);
